“Calculation of the Concentration Ratio and Solar Flux Distribution of the Truncated Pyramid Solar Concentrator Using Three-Dimensional Ray Tracing Simulation”. Libya Journal of Applied Sciences and Technology 13, no. 2 (December 31, 2025): 61–76. Accessed June 12, 2026. https://www.ljast.ly/ojs3504/index.php/ljast/article/view/71.